Emily Dickinson Lexicon

WAL'NUT, n. [D. walnoot; Sax. walh, foreign, and hnuta, nut. The Germans call it wälsche nuss, Welsh nut, that is, foreign or Celtic nut.]

A tree, and its fruit, of the genus Juglans. This genus comprehends six species, of which three are natives of the United States, viz. Juglans nigra, or black walnut, J. cinerea, or butternut, and J. Fraxinifolia or ash-leaved walnut. Juglans regia, Persian walnut, is cultivated in America. J. pterocarpa grows on Mount Caucasus, and J. baccata in Jamaica and Hispaniola. In America there are several species of Carya or hickory called by this name.